Filter
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SDF 250/400/500
Maintenance 5-4
5.2. Cleaning or Replacing the Air Filter
Switch off the hopper heater:
And the dryer:
L Wait until the regeneration phase is finished
and the blower has come to a standstill.
Switch off the main switch of the dryer.
Interrupt the mains supply so that the device cannot be switched
on unintentionally.
If there is a return air cooler installed, switch off its coolant
circuit.
Switch off the drying hopper:
& Clogged filters substantially reduce the amount of circulating air
and lead to a production lag of your dryer. Clogged filters may
also damage the heating elements.
Purchase order numbers return air filter
when operating without return air cooler: ID 86378
when operating with return air cooler: ID 88226
Purchase order number regeneration air filter: ID 98171